ABSTRACT

Ken Ichiryu, Masami Ochiai, Tsukasa Toyooka Technical Research Laboratory, Hitachi Construction Machinery. Co. Tsutiura-shi Kandatsu 650, Japan Kazunori Nakamura Tsuchiura Works, Hitachi Construction Machinery. Co. Ibid

damping of the load sensing dynamics. Secondary difficult problem is how to obtain smooth operation for inertia load. We studied these problems by simulating the detailed behavior of load sensing hy-

1. Load sensing system of hydraulic excavator.